<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8"> 
	<title>Bootstrap 实例 - 进度条</title>
	<link rel="stylesheet" href="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">
	<script src="http://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
	<script src="http://cdn.static.runoob.com/libs/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
    <div class="progress">
        <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="60"
        aria-valuemin="0" aria-valuemax="100" style="width:90%;">
             <span class="sr-only">40%完成</span>
        </div>
    </div>
    <div class="progress">
        <div class="progress-bar progress-bar-info " role="progressbar" aria-valuenow="60"
        aria-valuemin="0" aria-valuemax="100" style="width:30%;">
             <span class="sr-only">40%完成</span>
        </div>
    </div>
    <div class="progress">
        <div class="progress-bar progress-bar-warning " role="progressbar" aria-valuenow="60"
        aria-valuemin="0" aria-valuemax="100" style="width:20%;">
             <span class="sr-only">40%完成</span>
        </div>
    </div>

    <div class="progress ">
        <div class="progress-bar  progress-bar-danger" role="progressbar" aria-valuenow="60"
        aria-valuemin="0" aria-valuemax="100" style="width:10%;">
             <span class="sr-only">40%完成</span>
        </div>
    </div>
</body>
</html>